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五、视频转换电路的检修1.确定、排除故障部位的方法:视频信号转换电路出现故障一般表现在下面三个电路(:1)视频信号形成电路(;2)视频信号转换电路(;3)视频信号输入电路。(1)当机器出现有伴音、无图像现象时,确定视频信号形成电路是否存在故障?可以用遥控器将机器的蓝背景功能
V. Video conversion circuit repair 1 determine, troubleshooting methods: video signal conversion circuit failure is generally shown in the following three circuits: (1) video signal forming circuit (2) video signal conversion circuit (3) Video signal input circuit. (1) When the machine appears with sound, no image phenomenon, determine the video signal forming circuit is there any fault? You can use the remote control to the machine’s blue background function